:root {
  --bg: #020913;
  --bg-deep: #00060d;
  --ink: #f7fbff;
  --muted: #9faec4;
  --muted-2: #6f8099;
  --cyan: #2fbfff;
  --cyan-soft: #7adfff;
  --violet: #9a45ff;
  --violet-soft: #c16cff;
  --amber: #ffb11f;
  --line: rgba(151, 180, 220, .16);
  --line-strong: rgba(126, 173, 234, .34);
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-deep); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg-deep);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: rgba(100, 92, 255, .5); color: #fff; }

.site-shell { min-height: 100vh; overflow: hidden; background: #020a14; }

.topbar {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  display: grid;
  grid-template-columns: minmax(220px, .9fr) 1.6fr minmax(360px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 0 max(42px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(115, 153, 198, .14);
  background: linear-gradient(180deg, rgba(1, 8, 16, .98), rgba(1, 8, 16, .80));
  backdrop-filter: blur(20px);
}

.brand { display: inline-flex; align-items: center; gap: 14px; width: max-content; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 50%; overflow: hidden;
  box-shadow: 0 0 22px rgba(64, 189, 255, .22), 0 0 18px rgba(167, 62, 255, .14);
  background: #071222;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15); }
.brand-word { font-size: 28px; font-weight: 400; letter-spacing: .22em; white-space: nowrap; }

.nav { display: flex; justify-content: center; height: 100%; gap: 46px; }
.nav-link {
  position: relative; display: grid; place-items: center; font-size: 12px; letter-spacing: .13em; color: #d8e0ec;
}
.nav-link::after {
  content: ""; position: absolute; bottom: -1px; left: 50%; width: 0; height: 1px;
  background: linear-gradient(90deg, transparent, #5abfff 35%, #875cff 70%, transparent);
  transform: translateX(-50%); transition: width .24s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 48px; }

.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 16px; }
.globe { font-size: 23px; color: #e8eef7; transform: rotate(12deg); }
.lang-switch { display: flex; gap: 22px; align-items: center; }
.lang { border: 0; background: transparent; color: #7f8ca0; padding: 30px 0 28px; font-size: 12px; letter-spacing: .15em; cursor: pointer; position: relative; }
.lang.active { color: #fff; }
.lang.active::after { content: ""; position: absolute; left: 1px; right: 1px; bottom: 13px; height: 2px; background: #57cfff; box-shadow: 0 0 10px #57cfff; }
.beta-pill {
  min-width: 188px; height: 48px; padding: 0 26px; border-radius: 999px; display: inline-grid; place-items: center;
  border: 1px solid #815cff; box-shadow: inset 0 0 0 1px rgba(73,196,255,.24), 0 0 18px rgba(118,64,255,.22);
  font-size: 12px; letter-spacing: .15em; background: rgba(3,10,21,.6);
}
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; }
.menu-button span { display: block; width: 24px; height: 1px; background: #fff; margin: 5px auto; }

.hero {
  position: relative;
  min-height: 1024px;
  height: max(100svh, 900px);
  overflow: hidden;
  background:
    radial-gradient(circle at 64% 39%, rgba(34, 111, 192, .18), transparent 27%),
    radial-gradient(circle at 76% 28%, rgba(116, 34, 193, .10), transparent 26%),
    linear-gradient(180deg, #010812 0%, #020b16 52%, #00060c 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,7,15,.30), transparent 42%, transparent 74%, rgba(0,5,10,.22));
}
.starfield { position: absolute; inset: 0; opacity: .75; pointer-events: none; }
.starfield-a {
  background-image:
    radial-gradient(circle at 12% 22%, rgba(255,255,255,.82) 0 1px, transparent 1.4px),
    radial-gradient(circle at 81% 17%, rgba(134,183,255,.86) 0 1px, transparent 1.3px),
    radial-gradient(circle at 67% 62%, rgba(255,255,255,.50) 0 1px, transparent 1.3px),
    radial-gradient(circle at 42% 37%, rgba(182,116,255,.76) 0 1px, transparent 1.2px),
    radial-gradient(circle at 91% 50%, rgba(92,181,255,.72) 0 1px, transparent 1.3px),
    radial-gradient(circle at 54% 12%, rgba(255,255,255,.35) 0 1px, transparent 1.2px);
  background-size: 230px 210px, 310px 260px, 280px 240px, 330px 300px, 260px 230px, 360px 310px;
}
.starfield-b { opacity: .38; background-image: radial-gradient(circle, rgba(255,255,255,.55) 0 1px, transparent 1.4px); background-size: 97px 103px; background-position: 20px 30px; }
.hero-haze { position: absolute; width: 48vw; height: 48vw; right: 5vw; top: 9vh; background: radial-gradient(circle, rgba(22,85,156,.16), rgba(22,85,156,.04) 46%, transparent 69%); filter: blur(22px); }
.planet-glow { position: absolute; border-radius: 50%; filter: blur(88px); opacity: .18; pointer-events: none; }
.planet-glow-blue { width: 520px; height: 520px; right: 31vw; top: 11vh; background: #008cff; }
.planet-glow-violet { width: 430px; height: 430px; right: 8vw; top: 18vh; background: #8a2bff; }

.hero-inner {
  position: relative; z-index: 3; max-width: var(--max); height: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 42% 50% 8%; align-items: center; padding: 62px 56px 205px;
}
.hero-copy { padding-top: 70px; align-self: center; position: relative; z-index: 4; }
.eyebrow { color: #9ec2ef; font-size: 15px; line-height: 1.72; letter-spacing: .21em; margin: 0 0 41px; }
.hero h1 { font-weight: 300; font-size: clamp(70px, 6.1vw, 98px); letter-spacing: .13em; margin: 0 0 14px; line-height: .95; text-shadow: 0 0 28px rgba(171,202,255,.06); }
.tagline { font-size: 14px; letter-spacing: .36em; color: #f0f4fa; margin: 0 0 38px; white-space: nowrap; }
.hero-text { color: #c0c9d7; max-width: 560px; font-size: 18px; line-height: 1.62; margin: 0; font-weight: 350; }
.hero-ctas { display: flex; gap: 22px; margin-top: 40px; }
.cta { min-width: 246px; height: 58px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; border: 1px solid rgba(132,106,255,.85); background: transparent; font-size: 12px; font-weight: 650; letter-spacing: .14em; cursor: pointer; }
.cta-primary { background: linear-gradient(110deg, #159cff, #346ff5 43%, #8b35ff 89%); border-color: rgba(141,124,255,.95); box-shadow: 0 0 26px rgba(38,149,255,.50), 0 0 30px rgba(151,44,255,.34), inset 0 0 18px rgba(255,255,255,.14); }
.cta-primary b { font-size: 20px; font-weight: 300; }
.cta-secondary { border-color: rgba(142,119,214,.85); background: rgba(2,9,18,.46); color: #fff; }
.play { font-size: 22px; color: #b9b0ff; line-height: 1; }

.hero-art { align-self: center; justify-self: center; position: relative; width: min(680px, 50vw); aspect-ratio: 1.0645; margin-top: 28px; transform: translateX(12px); }
.orb { position: relative; z-index: 2; width: 100%; height: 100%; object-fit: cover; display: block; mix-blend-mode: screen; filter: saturate(1.04) contrast(1.02); mask-image: radial-gradient(ellipse 78% 72% at 48% 47%, #000 58%, rgba(0,0,0,.97) 65%, rgba(0,0,0,.62) 79%, transparent 100%); animation: floatOrb 8s ease-in-out infinite; }
.orb-halo { position: absolute; z-index: 1; inset: 11% 8% 9%; border-radius: 50%; background: radial-gradient(circle, rgba(23,145,255,.16), rgba(88,54,255,.10) 48%, transparent 68%); filter: blur(18px); }
@keyframes floatOrb { 0%,100% { transform: translateY(0) scale(1.001); } 50% { transform: translateY(-7px) scale(1.004); } }

.hero-rail { align-self: center; justify-self: end; display: flex; flex-direction: column; gap: 28px; padding-left: 22px; border-left: 1px solid rgba(191,211,238,.5); color: #8898af; font-size: 11px; letter-spacing: .22em; margin-top: 55px; }
.hero-rail span:last-child { color: #7c8ca2; margin-top: 6px; }

.horizon { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; height: 355px; background: linear-gradient(180deg, rgba(0,8,16,0) 0%, rgba(0,4,9,.12) 18%, rgba(0,3,7,.68) 73%, #00050a 100%), url('../img/earth-horizon.webp') center bottom / cover no-repeat; opacity: .84; pointer-events: none; }
.scroll-cue { position: absolute; z-index: 6; left: 50%; bottom: 173px; transform: translateX(-50%); text-align: center; color: #c9d2df; }
.mouse { margin: 0 auto 9px; width: 21px; height: 34px; border: 1px solid #dde7f5; border-radius: 11px; display: block; position: relative; }
.mouse i { position: absolute; top: 6px; left: 9px; width: 1px; height: 7px; background: #fff; border-radius: 1px; animation: scrollDot 1.8s ease infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: .2; } 45% { opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }
.scroll-cue small { font-style: normal; font-size: 10px; letter-spacing: .22em; line-height: 1.6; }
.scroll-cue em { font-style: normal; color: #8d9bb0; }

.feature-strip { position: absolute; z-index: 7; left: 0; right: 0; bottom: 43px; max-width: var(--max); margin: 0 auto; padding: 0 62px; display: grid; grid-template-columns: repeat(4, 1fr) 1.22fr; gap: 28px; align-items: center; }
.feature-mini { display: grid; grid-template-columns: 44px 1fr; gap: 17px; align-items: center; min-width: 0; }
.feature-mini strong { display: block; font-size: 11px; font-weight: 600; letter-spacing: .19em; margin-bottom: 7px; }
.feature-mini small { color: #7d8da4; font-size: 9px; letter-spacing: .16em; white-space: nowrap; }
.feature-icon { width: 37px; height: 37px; position: relative; display: block; filter: drop-shadow(0 0 9px rgba(80,180,255,.58)); }
.feature-icon.pin { border: 2px solid #bc8cff; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.feature-icon.pin::after { content: ""; position: absolute; width: 7px; height: 7px; border: 2px solid #8cdfff; border-radius: 50%; left: 11px; top: 11px; }
.feature-icon.bubble { border: 2px solid #9ae9ff; border-radius: 50%; }
.feature-icon.bubble::after { content: ""; position: absolute; width: 9px; height: 9px; left: 2px; bottom: -3px; border-left: 2px solid #9ae9ff; transform: rotate(26deg); }
.feature-icon.people::before, .feature-icon.people::after { content: ""; position: absolute; border: 2px solid #c27aff; }
.feature-icon.people::before { width: 11px; height: 11px; border-radius: 50%; left: 12px; top: 1px; box-shadow: -12px 6px 0 -3px #000, -12px 6px 0 -1px #a9d7ff, 12px 6px 0 -3px #000, 12px 6px 0 -1px #c27aff; }
.feature-icon.people::after { width: 31px; height: 17px; border-radius: 14px 14px 7px 7px; left: 2px; bottom: 1px; }
.feature-icon.compass { border: 2px solid #b694ff; border-radius: 50%; }
.feature-icon.compass::before { content: ""; position: absolute; width: 13px; height: 13px; left: 10px; top: 10px; border: 1px solid #8bd9ff; transform: rotate(45deg); clip-path: polygon(50% 0, 100% 100%, 50% 72%, 0 100%); }
.world-claim { border-left: 1px solid rgba(166,189,219,.55); padding-left: 50px; color: #7d8a9f; font-size: 11px; line-height: 1.65; letter-spacing: .2em; min-height: 56px; display: flex; align-items: center; }
.world-claim::after { content: ""; width: 40px; height: 1px; background: linear-gradient(90deg, #2fc5ff, #8b5cff); position: absolute; margin-top: 76px; margin-left: 1px; }

.content-section, .beta-section, footer { max-width: var(--max); margin: 0 auto; position: relative; z-index: 3; }
.content-section { min-height: 760px; padding: 130px 62px; display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; background: linear-gradient(180deg, #00060c, #020b15); }
.content-section::before { content: ""; position: absolute; inset: 0 -2000px; background: linear-gradient(180deg, #00060c, #020b15); z-index: -1; }
.section-kicker { color: #69cdfa; letter-spacing: .28em; font-size: 12px; margin: 0 0 22px; }
.section-copy h2, .beta-section h2 { font-size: clamp(38px, 4vw, 62px); font-weight: 300; line-height: 1.08; letter-spacing: -.02em; margin: 0 0 25px; }
.section-copy > p:last-child, .beta-section p { color: #9baabd; font-size: 18px; line-height: 1.7; max-width: 650px; }
.layer-card-grid { display: grid; gap: 16px; }
.layer-card-grid article { border: 1px solid var(--line); background: linear-gradient(135deg, rgba(14,35,57,.62), rgba(9,13,30,.72)); padding: 28px 30px; min-height: 126px; position: relative; overflow: hidden; }
.layer-card-grid article::after { content: ""; position: absolute; inset: -40% auto auto 70%; width: 160px; height: 160px; background: radial-gradient(circle, rgba(73,166,255,.15), transparent 70%); }
.layer-card-grid span { color: #566d88; font-size: 11px; letter-spacing: .2em; }
.layer-card-grid h3 { margin: 11px 0 8px; font-weight: 500; letter-spacing: .03em; }
.layer-card-grid p { margin: 0; color: #8495ab; }

.beta-section { min-height: 420px; padding: 100px 62px; display: flex; align-items: center; justify-content: space-between; gap: 60px; border-top: 1px solid var(--line); background: #020b15; }
.beta-section::before { content: ""; position: absolute; inset: 0 -2000px; background: radial-gradient(circle at 70% 50%, rgba(84,65,255,.09), transparent 35%), #020b15; z-index: -1; }
.beta-section .cta { flex: 0 0 auto; }
footer { min-height: 140px; padding: 38px 62px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #718197; font-size: 12px; background: #00060c; border-top: 1px solid var(--line); }
footer::before { content: ""; position: absolute; inset: 0 -2000px; background: #00060c; z-index: -1; }
.footer-brand .brand-word { color: #fff; font-size: 18px; }

.video-modal { width: min(760px, calc(100vw - 36px)); height: min(460px, calc(100vh - 36px)); padding: 0; border: 1px solid var(--line-strong); background: #030b15; color: #fff; box-shadow: 0 35px 90px #000; }
.video-modal::backdrop { background: rgba(0,4,9,.82); backdrop-filter: blur(12px); }
.modal-close { position: absolute; right: 18px; top: 12px; width: 42px; height: 42px; border: 0; background: transparent; font-size: 32px; color: #8092a9; cursor: pointer; }
.video-placeholder { height: 100%; display: grid; place-items: center; align-content: center; text-align: center; gap: 13px; background: radial-gradient(circle at 50% 42%, rgba(49,130,255,.12), transparent 31%); }
.play-big { font-size: 60px; color: #8f7cff; }
.video-placeholder strong { letter-spacing: .22em; font-size: 24px; }
.video-placeholder p { color: #8e9caf; }

@media (max-width: 1180px) {
  .topbar { grid-template-columns: 1fr auto; padding: 0 28px; }
  .nav { display: none; position: fixed; top: 80px; left: 0; right: 0; height: auto; padding: 30px; background: rgba(1,8,16,.98); flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav-link { min-height: 56px; justify-content: flex-start; }
  .menu-button { display: block; }
  .beta-pill, .globe { display: none; }
  .hero-inner { grid-template-columns: 47% 53%; padding-inline: 38px; }
  .hero-rail { display: none; }
  .hero-art { width: min(650px, 56vw); }
  .feature-strip { grid-template-columns: repeat(4, 1fr); padding-inline: 38px; }
  .world-claim { display: none; }
}

@media (max-width: 820px) {
  .topbar { height: 68px; padding: 0 18px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-word { font-size: 19px; letter-spacing: .18em; }
  .lang-switch { gap: 14px; }
  .lang { padding-block: 24px 22px; font-size: 10px; }
  .nav { top: 68px; }
  .hero { min-height: 1080px; height: auto; }
  .hero-inner { display: flex; flex-direction: column; padding: 118px 22px 330px; align-items: stretch; }
  .hero-copy { padding: 0; order: 2; margin-top: -40px; text-align: center; }
  .eyebrow { font-size: 11px; margin-bottom: 22px; }
  .hero h1 { font-size: clamp(52px, 15vw, 76px); letter-spacing: .11em; }
  .tagline { font-size: 10px; letter-spacing: .24em; white-space: normal; }
  .hero-text { font-size: 16px; margin: 0 auto; }
  .hero-ctas { justify-content: center; flex-direction: column; align-items: center; }
  .cta { width: min(100%, 360px); }
  .hero-art { order: 1; width: min(620px, 110vw); align-self: center; transform: none; margin: -35px 0 0; }
  .horizon { height: 260px; bottom: 0; }
  .scroll-cue { display: none; }
  .feature-strip { bottom: 30px; padding: 0 22px; grid-template-columns: 1fr 1fr; gap: 24px 18px; }
  .feature-mini { grid-template-columns: 36px 1fr; gap: 10px; }
  .feature-icon { width: 31px; height: 31px; transform: scale(.86); transform-origin: center; }
  .feature-mini strong { font-size: 10px; }
  .feature-mini small { font-size: 8px; white-space: normal; }
  .content-section { min-height: 0; padding: 86px 22px; grid-template-columns: 1fr; gap: 48px; }
  .beta-section { min-height: 360px; padding: 76px 22px; flex-direction: column; align-items: flex-start; justify-content: center; }
  footer { padding: 30px 22px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .brand-mark { width: 32px; height: 32px; }
  .brand-word { font-size: 17px; letter-spacing: .15em; }
  .header-actions { gap: 8px; }
  .lang-switch { gap: 9px; }
  .lang[data-lang="fr"] { display: none; }
  .hero { min-height: 1060px; }
  .hero-inner { padding-top: 104px; padding-bottom: 350px; }
  .hero-art { width: 112vw; margin-left: -6vw; }
  .hero-copy { margin-top: -32px; }
  .eyebrow { letter-spacing: .15em; }
  .hero h1 { font-size: 14vw; letter-spacing: .08em; }
  .tagline { font-size: 9px; }
  .feature-strip { grid-template-columns: 1fr 1fr; bottom: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orb, .mouse i { animation: none; }
}